Polished tungsten copper alloy bars
The alloy is the composite of tungsten and copper which own he excellent performance of tungsten and copper
Specification:
Surface: Ground, polished
Dia: 2-100mm
Length: 10-500mm
W/Cu: W(50-90%)/Cu(10-50%)
Character:
1.better heat resistant;
2.better ablate-resistant;
3.high intensity
4.high density;
5.excellent thermal and electrical conductivity;
6.easy to be machined.
Application:
1) Arcing contacts and vaccum contacts in high and medium voltage breakers or vaccum interruptors
2) Electrodes in electric spark erosion cutting machines
3) Heat sinks as passive cooling elements of electronic devices
4) Electrodes for Resistance Welding
The alloy is the composite of tungsten and copper which own he excellent performance of tungsten and copper
Specification:
Surface: Ground, polished
Dia: 2-100mm
Length: 10-500mm
W/Cu: W(50-90%)/Cu(10-50%)
Character:
1.better heat resistant;
2.better ablate-resistant;
3.high intensity
4.high density;
5.excellent thermal and electrical conductivity;
6.easy to be machined.
Application:
1) Arcing contacts and vaccum contacts in high and medium voltage breakers or vaccum interruptors
2) Electrodes in electric spark erosion cutting machines
3) Heat sinks as passive cooling elements of electronic devices
4) Electrodes for Resistance Welding
Brand and NO. | Chemical components% | Physical properties | ||||||
Cu | Total impurities ≤ | W | Density (g/cm³) ≥ | Hardness HB ≥ | Resistivity (µΩ·cm) ≤ | Conductivity IACS%≥ | Bending strength Mpa≥ | |
CuW(50) | 50±2.0 | 0.5 | Bal. | 11.85 | 115 | 3.2 | 54 | |
CuW(55) | 45±2.0 | 0.5 | Bal. | 12.30 | 125 | 3.5 | 49 | |
CuW(60) | 40±2.0 | 0.5 | Bal. | 12.75 | 140 | 3.7 | 47 | |
CuW(65) | 35±2.0 | 0.5 | Bal. | 13.30 | 155 | 3.9 | 44 | |
CuW(70) | 30±2.0 | 0.5 | Bal. | 13.80 | 175 | 4.1 | 42 | 790 |
CuW(75) | 25±2.0 | 0.5 | Bal. | 14.50 | 195 | 4.5 | 38 | 885 |
CuW(80) | 20±2.0 | 0.5 | Bal. | 15.15 | 220 | 5.0 | 34 | 980 |
CuW(85) | 15±2.0 | 0.5 | Bal. | 15.90 | 240 | 5.7 | 30 | 1080 |
CuW(90) | 10±2.0 | 0.5 | Bal. | 16.75 | 260 | 6.5 | 27 | 1160 |